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Archive for January, 2010

Bismuthinite

Friday, January 15th, 2010

The chemical formula of mineral Bismuthinite is indicated by Bi2S3 or Bismuth Sulfide. Bismuthinite is actually a Sulfide mineral. Bismuthinite minerals are considered as important ores of bismuth. These ore minerals are usually found having splendid and interesting microscope images under an ore polarizing light microscope. The most spectacular specimens of Bismuthinite that is considered […]

Bismuth

Friday, January 15th, 2010

The formula of mineral Bismuth is indicated by Bi or the Elemental Bismuth. Bismuth has an atomic number 83 in the periodic table of elements. Bismuth actually belongs to the Native Elements mineral class. The Native Element mineral class comprises over one hundred known minerals. Bismuth has been known since the ancient times. It was […]

Biotite

Friday, January 15th, 2010

The chemical formula of mineral Biotite is indicated by K(Fe,Mg)3AlSi3O10(F,OH)2 or Potassium Iron Magnesium Aluminum Silicate Hydroxide Fluoride. Biotite actually belongs to the Silicates mineral class. Biotite was named by J F L Hausmann in the year 1847. It was named in honor of Jean Baptiste Biot, a French physicist who discovered the optical properties […]

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